September’s birthstone, sapphire, is said to represent the purity of the soul.Ancient Persians called sapphire the “Celestial Stone” and was the gem of Apollo, Greek God of prophesy.The French of the 13th century believed that sapphire transformed stupidity to wisdom, and irritability to good temper.Sapphires occur in all colors of the rainbow with the exception of red, which is ruby, but the Sapphire of September and Virgo is blue. Blue Sapphire is said to hold the records of development of civilization and provides a connection with the intuitive and psychic realms. Sapphire promotes cleansing of the Earth's atmosphere and transmute negative energy. Blue sapphire is believed to give mental focus and clarity, works on the throat and third eye chakra, and is good for transmitting one's highest wisdom.